Home / 132,953.78-199,430.12-54,067.34

Finding the Fourth Proportional to 132,953.78, 199,430.12 and 54,067.34

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Solution

The fourth proportional to 132,953.78, 199,430.12 and 54,067.34 is: 81,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,953.78 : 199,430.12 = 54,067.34 : x
  2. Step 2: Convert to fraction form
    132,953.78/199,430.12 = 54,067.34/x
  3. Step 3: Cross multiply
    132,953.78x = 199,430.12 × 54,067.34
  4. Step 4: Simplify right side
    132,953.78x = 10,782,656,104.28
  5. Step 5: Solve for x
    x = 10,782,656,104.28/132,953.78
  6. Step 6: Final answer
    x = 81,100.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.